References
- 1901 . Journ. of Conch. , x : 43 – 47 .
- 1898 . Journ. of Conch. , ix : 97 – 105 .
- Proc. Malac. Soc. , iii 235 – 238 . figs.
- 1905 . Proc. Malac. Soc. Lond. , : 211 – 224 .
- Pelseneer . 1903 . Voy. du S.Y. ‘Belgica’ , 15 – 15 . Zoologie . pl. ix. fig. 124
- Thiele , J. 1912 . Deutsche Süd-Polar Exped. , xiii ( 2 ) : 270 – 270 . pl. xviii. fig. 23
- 1898 . Journ. of Conch , ix : 105 – 105 . pl. i. figs. 13, 13 a